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== TUFLOW Boundary Updates ==
We will be using TUFLOW's 2D direct rainfall (also known as rain on grid) functionality for the catchment inflow boundary condition approach to demonstrate flows into the pipe network inlets. There is a wide range of direct rainfall options built into TUFLOW, including:
*'''Globally uniform rainfall:''' This method applies temporally varied rainfall uniformly (spatially) over the entire model.
*'''Spatially varying rainfall:''' This method applies temporally varied rainfall with spatial variation defined using polygon delineation, grid raster files or inbuilt TUFLOW TIN triangulation routines.<br>
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The focus of this tutorial is not to demonstrate the available direct rainfall options. As such, we will be using the simplest approach, globally uniform rainfall. It does not require any GIS updates to implement the boundary condition change. Updates will be limited to the Boundary Condition Database reference and Control File syntax updates. Both are addressed in the next section. If you are interested in learning about the available direct rainfall options, please refer to <u>[[Tutorial_M06 |TUFLOW Tutorial Module 6]]</u>.
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<ol>
<li>Copy '''rainfall_stations.csv''' from the '''TUFLOW_SWMM_Module_02\Tutorial_Data''' folder to the '''TUFLOW_SWMM_Module_02\TUFLOW\bc_dbase''' folder.
<li>Copy '''bc_dbase_TS02_001.csv''' from the '''TUFLOW_SWMM_Module_02\Tutorial_Data''' folder to the '''TUFLOW_SWMM_Module_02\TUFLOW\bc_dbase''' folder.
</ol>
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It is common to use depth varying manning's roughness when using direct rainfall. A Materials File using depth varying inputs has been provided.
<ol>
<li>Copy '''materials_TS02_001.csv''' from the '''TUFLOW_SWMM_Module_02\Tutorial_Data''' folder to the '''TUFLOW_SWMM_Module_02\TUFLOW\model''' folder.
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{{Video|name=Animation_TS2_TUFLOW_Boundary_01a.mp4|width=1235}}
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</ol>
== TUFLOW Geometry Update ==
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